Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/12/2023, 15:01

General

  • Target
    d06a1247aff4a07a54dcb941c38a58ab.exe
  • Size 258KB
  • Sample231220-sdt3zachf7
  • SHA256 b720945a936e487530d97c675ad5f7d51d6482d58dd7f72cc3228d473601934c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub3

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://gmpeople.com/upload/

  • http://mile48.com/upload/

  • http://lecanardstsornin.com/upload/

  • http://m3600.com/upload/

  • http://camasirx.com/upload/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d06a1247aff4a07a54dcb941c38a58ab.exe
    "C:\Users\Admin\AppData\Local\Temp\d06a1247aff4a07a54dcb941c38a58ab.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 368
      2⤵
      • Program crash
      PID:4296
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1408 -ip 1408
    1⤵
      PID:1072

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1408-3-0x0000000000400000-0x0000000000870000-memory.dmp

          memory/1408-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

          memory/1408-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

          memory/1408-7-0x0000000000400000-0x0000000000870000-memory.dmp

          memory/3448-4-0x0000000002D00000-0x0000000002D15000-memory.dmp